Forest fires in Sumatra, Indonesia, have now become an annual phenomenon, thanks to the effects of unsustainable logging, and are the cause of a thick smog-like haze over the entire region which threatens the health of millions of people and adds to t...

Forest fires in Sumatra, Indonesia, have now become an annual phenomenon, thanks to the effects of unsustainable logging, and are the cause of a thick smog-like haze over the entire region which threatens the health of millions of people and adds to the problem of climate change.